University of Colorado

Mineral Structure Data

Titanite Group

The titanite group is composed of the minerals titanite (sphene) (CaTiSiO5) and malayaite (CaSnSiO5)

The crystal structure of titanite.


End-Member      Titanite       Malayaite
Formula         CaTiSiO5       CaSnSiO5

Form.Wt. 196.063 266.853 Z 4 4 CrystalSystem Mono Mono PointGroup 2/m 2/m SpaceGroup P21/a A2/a UnitCell a(Å) 7.069 7.149 b(Å) 8.722 8.906 c(Å) 6.566 6.667 beta 113.86 113.3 Vol(Å3) 370.23 389.86 MolarVol 55.748 58.704 Density 3.517 4.546 Thermal Expansion(Volumetric) alpha a0 a1 a2 Elastic Properties Ks(GPa) G(Gpa)

Mineral Data Base Index

GEOL 1010 Syllabus

GEOL 3010 Syllabus

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